Is it possible to make a search by querySelectorAll using multiple unrelated conditions?. Yes, because querySelectorAll accepts full CSS selectors, and CSS has the concept of selector groups, which lets you specify more than one unrelated selector.

2019年2月21日 · document.querySelector('div.a > :nth-child(3)'); And even by using next sibling: document.querySelector('div.a > :nth-child(2) + *'); But they both skips it and returns only the "p" element. The only solution I see here is selecting the previous node and then using nextSibling to access it. Can querySelector select text nodes at all?

2012年7月16日 · document.querySelector[All] is supported by all current browsers, down to IE8, so compatibility is no longer an issue. I have also found no performance issues to speak of (it was supposed to be slower than document.getElementById , but my own …

2019年12月5日 · refs make it easier to uniquely identify + select in linear time the corresponding element (as compared to id which multiple elements can, by mistake, have the same value for + compared to document.querySelector which needs to …

I have the following function which when triggered will make a DIV become semi-transparent. function changeOpacity(el) { var elem = document.getElementById(el); elem.style.transition = "op...

document.querySelector() behaves similarly to the jQuery.(document).ready() method. When the DOM is ready, the selector returns the object. When the DOM is ready, the selector returns the object. I would suggest you call all JS script bottom of the page.

document.querySelector("#1") I'm just curious why using numbers as IDs does not work querySelector when the HTML5 spec says these are valid. I tried multiple browsers.

2016年3月23日 · var Link = document.querySelector('table .ctrlcLink'); I get the first column value for the column with class ctrlLink, which is what I expected. However, since I have an onclick event set to an other column in the same table, I would like to get the value of the .ctrlLink column that is on the same row as my clicked element.

2014年10月30日 · document.querySelector("iframe").contentDocument.body.querySelector("#btn") First query selector is to select the iframe. Then we can access ifram dom using content document and use the 2nd query selector to select the element inside iframe.

2016年5月8日 · Document.querySelector() only accepts a valid css selector as argument, so taken literally, mine is the only answer that allows you to find an element by innerText using querySelector. All other answers involve creating some wrapper function around querySelector, not directly using a single call to querySelector. "Increasing page size" - my ...